diff --git a/src/models/song.py b/src/models/song.py
index 872d48b..26139a3 100644
--- a/src/models/song.py
+++ b/src/models/song.py
@@ -3,18 +3,65 @@ from uuid import UUID, uuid4
 
 
 class SongBase(BaseModel):
-    id: uuid4 = Field(default_factory=uuid4, description="Song ID. Required.", examples=["3a4c5f1d-3a4c-4f1d-3a4c-5f1d3a4c5f1d"])
+    id: uuid4 = Field(
+        default_factory=uuid4,
+        description="Song ID. Required.",
+        examples=["3a4c5f1d-3a4c-4f1d-3a4c-5f1d3a4c5f1d"],
+    )
+
 
 class SongIn(SongBase):
-    artist: str = Field(..., description="Artist of the song. Required.", examples=["Matti Meikäläinen"])
-    song_name: str = Field(..., description="Name of the song. Required.", examples=["Moi"])
-    country: str = Field(..., description="Country where the song is from. Required.", examples=["Finland"])
+    artist: str = Field(
+        ..., description="Artist of the song. Required.", examples=["Matti Meikäläinen"]
+    )
+    song_name: str = Field(
+        ..., description="Name of the song. Required.", examples=["Moi"]
+    )
+    country: str = Field(
+        ...,
+        description="Country where the song is from. Required.",
+        examples=["Finland"],
+    )
 
-class SongReview(SongBase):
-    contest_id: UUID = Field(..., description="Contest ID. Required.", examples=["3a4c5f1d-3a4c-4f1d-3a4c-5f1d3a4c5f1d"])
-    song_id: UUID = Field(..., description="Song ID. Required.", examples=["3a4c5f1d-3a4c-4f1d-3a4c-5f1d3a4c5f1d"])
-    reviewer_id: UUID = Field(..., description="Reviewer ID. Required.", examples=["3a4c5f1d-3a4c-4f1d-3a4c-5f1d3a4c5f1d"])
+
+class SongReview(BaseModel):
+    contest_id: UUID = Field(
+        ...,
+        description="Contest ID. Required.",
+        examples=["3a4c5f1d-3a4c-4f1d-3a4c-5f1d3a4c5f1d"],
+    )
+    song_id: UUID = Field(
+        ...,
+        description="Song ID. Required.",
+        examples=["3a4c5f1d-3a4c-4f1d-3a4c-5f1d3a4c5f1d"],
+    )
     song_score: int = Field(..., description="Song score. Required.", examples=[50])
-    wardrobe_score: int = Field(..., description="Wardrobe score. Required.", examples=[50])
-    stage_show_score: int = Field(..., description="Stage show score. Required.", examples=[50])
-    review_text: str | None = Field(None, description="Review text. Optional.", examples=["Great song!"])
+    wardrobe_score: int = Field(
+        ..., description="Wardrobe score. Required.", examples=[50]
+    )
+    stage_show_score: int = Field(
+        ..., description="Stage show score. Required.", examples=[50]
+    )
+    review_text: str | None = Field(
+        None, description="Review text. Optional.", examples=["Great song!"]
+    )
+
+
+class UpdateSongReview(BaseModel):
+    review_id: UUID = Field(
+        ...,
+        description="Review ID. Required.",
+        examples=["3a4c5f1d-3a4c-4f1d-3a4c-5f1d3a4c5f1d"],
+    )
+    song_score: int | None = Field(
+        None, description="Song score. Optional.", examples=[50]
+    )
+    wardrobe_score: int | None = Field(
+        None, description="Wardrobe score. Optional.", examples=[50]
+    )
+    stage_show_score: int | None = Field(
+        None, description="Stage show score. Optional.", examples=[50]
+    )
+    review_text: str | None = Field(
+        None, description="Review text. Optional.", examples=["Great song!"]
+    )